Watch Lady Gaga on The Simpsons: Behind The Scenes

Watch Matt Groening gush over Gaga, and the star's own thoughts on her animated guest stint.

Lady Gaga guest stars on the season finale of "The Simpsons" this Sunday, and we've got a little behind-the-scenes action for you to check out before the big show arrives. Check out some footage of show creator Matt Groening gushing over the superstar, who admits that joining he cast for recording was quite the tough gig:

"I think I was more nervous than I’ve ever been, because I have so much respect for them," she said. Check out the clip below:

The "Simpsons" season finale airs at 8pm on Sunday. Check local listings for your "Simpsons" fix!